When copying a bitmap, copy the generation ID.

Review URL: https://codereview.appspot.com/6462084

git-svn-id: http://skia.googlecode.com/svn/trunk@5227 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gyp/tests.gyp b/gyp/tests.gyp
index efb41f8..fa04dce 100644
--- a/gyp/tests.gyp
+++ b/gyp/tests.gyp
@@ -47,6 +47,7 @@
         '../tests/GeometryTest.cpp',
         '../tests/GLInterfaceValidation.cpp',
         '../tests/GLProgramsTest.cpp',
+        '../tests/GpuBitmapCopyTest.cpp',
         '../tests/GrContextFactoryTest.cpp',
         '../tests/GradientTest.cpp',
         '../tests/GrMemoryPoolTest.cpp',